Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Embden Lake, ME

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
207-566 A EMLKMEXARP0  0024 SOMERSET TEL. CO. 120      
207-566 0 EMLKMEXARP0  0024 SOMERSET TEL. CO. 120      
207-566 1   793K TWC IP ENABLED SERVICES, LLC 120   2014-11-28   
207-566 5 EMLKMEXARP0  0024 SOMERSET TEL. CO. 120      
207-566 6   145J TERRA NOVA TELECOM INC. 120   2025-06-06   

Last updated: Mon, 15 Sep 2025 02:24:40 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.